Finding the Fourth Proportional to 963,418.05, 1,326,483.65 and 817,936.08
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Solution
The fourth proportional to 963,418.05, 1,326,483.65 and 817,936.08 is: 1,126,176.57
Step by Step Solution
- Step 1: Write the proportion equation
963,418.05 : 1,326,483.65 = 817,936.08 : x - Step 2: Convert to fraction form
963,418.05/1,326,483.65 = 817,936.08/x - Step 3: Cross multiply
963,418.05x = 1,326,483.65 × 817,936.08 - Step 4: Simplify right side
963,418.05x = 1,084,978,836,865.09 - Step 5: Solve for x
x = 1,084,978,836,865.09/963,418.05 - Step 6: Final answer
x = 1,126,176.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.